The whole Bélier family is deaf, except for sixteen year old Paula who is the important translator in her parents’ day to day life especially when it comes to matters concerning the family farm. When her music teacher discovers she has a fantastic singing voice and she gets an opportunity to enter a big Radio France contest the whole family’s future is set up for big changes.

When Madame Adelaide Bonfamille leaves her fortune to Duchess and her children — Bonfamille’s prize family of domesticated house cats — the butler plots to steal the money and kidnaps the heirs, leaving them out on a country road. All seems lost until the wily Thomas O’Malley Cat and his jazz-playing alley cats come to the Aristocats’s rescue.